public class Test3 {
    public static void main(String[] args) {
        Object lock1 = new Object();
        Object lock2 = new Object();

        Thread t1 = new Thread(()->{
            synchronized(lock1){
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                synchronized(lock2){
                    System.out.println("t1获取2锁");
                }
            }
        });
        Thread t2 = new Thread(()->{
            synchronized(lock1){
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                synchronized(lock2){
                    System.out.println("t2获取1锁");
                }
            }
        });

        t1.start();
        t2.start();
    }
}

